package buscopiniones;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class JsonTimeline extends HttpServlet {

	/**
	 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
	 * methods.
	 *
	 * @param request servlet request
	 * @param response servlet response
	 * @throws ServletException if a servlet-specific error occurs
	 * @throws IOException if an I/O error occurs
	 */
	protected void processRequest(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html;charset=UTF-8");
		PrintWriter out = response.getWriter();
		try {
			String fuente = request.getParameter("fuente");
			String asunto = request.getParameter("asunto");
			String fechaIni = request.getParameter("desde");
			String fechaFin = request.getParameter("hasta");
			String medioDePrensa = request.getParameter("medioDePrensa");
			String cantResultados = request.getParameter("cantResultados");
			BuscadorOpiniones buscador = new BuscadorOpiniones();
			String json = buscador.getJSONOpiniones(fuente, asunto, fechaIni, fechaFin, medioDePrensa, cantResultados);
			out.print(json);
		} catch (Exception e) {
			System.err.println(e);
		}
	}

	// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
	/**
	 * Handles the HTTP <code>GET</code> method.
	 *
	 * @param request servlet request
	 * @param response servlet response
	 * @throws ServletException if a servlet-specific error occurs
	 * @throws IOException if an I/O error occurs
	 */
	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		processRequest(request, response);
	}

	/**
	 * Handles the HTTP <code>POST</code> method.
	 *
	 * @param request servlet request
	 * @param response servlet response
	 * @throws ServletException if a servlet-specific error occurs
	 * @throws IOException if an I/O error occurs
	 */
	@Override
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		processRequest(request, response);
	}

	/**
	 * Returns a short description of the servlet.
	 *
	 * @return a String containing servlet description
	 */
	@Override
	public String getServletInfo() {
		return "Short description";
	}// </editor-fold>
}
